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Seismicity Catalog Collection, 2150 BC to 1996 AD (NCEI Accession 0303738)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2025-04-30T00:00:00.000+00:00
The Seismicity Catalog Collection is a compilation data on over four million earthquakes dating from 2150 BC to 1996 AD from NOAA's National Geophysical Data Center and U.S. Geological Survey's National Earthquake Information Center. The data include information on epicentral time of origin, location, magnitudes, depth and other earthquake-related parameters. NCEI decommissioned the Seismicity Catalog Collection in April 2025 with no further updates. Comments and questions may be sent to: ncei.info@noaa.gov.

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